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  • Extracting gold from rock

    We used mercury to get the gold out of the powdered rock. Gold, like most minerals, can be 'dissolved' in mercury to form what's called an amalgam. An amalgam is a physical mixture, a type of alloy. This is a comparatively straightforward way of separating the gold from the rock, as the rock remains untouched by the mercury.

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  • How Is Gold Processed? |

    For the cyanide milling process, the large chunks of raw ore are broken down into sandsize grains, and then they are made into a muddy slurry by adding a weak cyanide solution. The cyanide dissolves the gold without acting on the other rock and metal components of the ore.

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